Kastom, B. J., & Kastom, E. (1953). How to know the spiders. Wm.c. Brown company publishers.
Cita Chicago Style (17a ed.)Kastom, B. J., y Elizabeth Kastom. How to Know the Spiders. [S.l.]: Wm.c. Brown company publishers, 1953.
Cita MLA (9a ed.)Kastom, B. J., y Elizabeth Kastom. How to Know the Spiders. Wm.c. Brown company publishers, 1953.
Precaución: Estas citas no son 100% exactas.